Genuine Eminence
SIGMA PRO-18A - 18" WOOFER
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SIGMA PRO-18A - 18" WOOFER |
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THE EMINENCE SIGMA PRO-18A HAS GOOD CLEAN BASS DOWN TO 41HZ & IS AFFORDABLY PRICED! |
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Item Price: $249.99 Free UPS Ground Shipping in the U.S. |
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WOOFER
MODEL |
SIGMA
PRO-18 |
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Specifications |
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Nominal
Basket Diameter |
18" / 457.2mm |
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Impedance |
8 ohms |
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RMS
Power Rating |
650
Watts |
| Program Power Handling | 1,300 Watts |
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Frequency
Response |
41Hz - 2.4kHz |
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Sensitivity
(1W/1m) |
99dB |
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Voice
Coil Diameter |
3" / 76.2mm |
| Max. Crossover Frequency | 2.5kHz |
| Rec. Enclosure Volume(Vented) | 3.3-7.5cu. ft./92-212 Liters |
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Mounting Information |
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Overall
Diameter |
18" / 457.2mm |
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Bolt
Circle Diameter |
17.25" / 438.2mm |
| Baffle Cutout Diameter | 16.56" / 420.5mm |
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No.
Of Mounting Holes |
8 |
| Mounting Hole Diameter | 0.275" / 7mm |
| Overall Depth | 8.15" / 207mm |
| Magnet Weight | 120 oz. |
| Shipping Weight | 28.1 lbs. / 12.8kg. |
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Thiele-Small Parameters |
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| Resonant Frequency (fs) | 28 Hz |
| Impedance (Re) | 6.29 ohms |
| Coil Inductance (Le) | 1.9mH |
| Electromagnetic Q (Qes) | .3 |
| Mechanical Q (Qms) | 8.28 |
| Total Q (Qts) | .29 |
| Compliance Equivalent Vol. (Vas) | 441.2 Liters/15.58cu. ft. |
| Voice Coil Overhang (Xmax) | 6.1mm |
| BL Factor (BL) | 22.1 T-M |
| Surface Area of Cone (Sd) | .1140 m2 |
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SIGMA PRO-18A RESPONSE CURVE |
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US Speaker, LLC
